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ESO
@eso.org

#Aurora over Europe! We're currently experiencing a strong geomagnetic storm, which caused a stunning auroral display all over Europe last night. This time-lapse was captured by our colleague Stefan Ströbele over our headquarters in Garching near Munich. 🔭 🧪 📹 S. Ströbele/ESO

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ESO
@eso.org

By pure chance, Stefan observed the Sun last Friday with a custom-made telescope. The active region seen here close to the edge of the Sun's disc have now rotated more towards us. A so-called coronal mass ejection coming from this region has caused the ongoing geomagnetic storm. 📹 S. Ströbele/ESO